No ANY records found for 31.145.139.119.
Try 145.139.119 instead?
id 14592, opcode QUERY, rcode NXDOMAIN, flags QR RD RA ;QUESTION 31.145.139.119. IN ANY ;ANSWER ;AUTHORITY . 86396 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2025051100 1800 900 604800 86400 ;ADDITIONAL
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